# US 11,906,032 B2 · Oil module > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,906,032 B2 - Document ID: US11906032B2 - Status: Granted - Kind: B2 - Application number: 17/553,796 - Filed: 2021-12-17 - Published: 2022-06-23 - Granted: 2024-02-20 - Earliest claimed: 2020-12-18 - Assignees: Mahle International GmbH - Applicants: Mahle International GmbH - Inventors: Torsten Lika - Web page: https://patentgrep.com/patent/US11906032B2 ## CPC - F16H 57/0417: {Heat exchangers adapted or integrated in the gearing} - F16H 57/0436: {Pumps} - F16H 57/0441: {Arrangements of pumps} - F16H 57/0476: {Electric machines and gearing, i.e. joint lubrication or cooling or heating thereof} - H02K 9/193: with provision for replenishing the cooling medium; with means for preventing leakage of the cooling medium - F16H: GEARING - H02K: DYNAMO-ELECTRIC MACHINES (dynamo-electric relays H01H53/00; conversion of DC or AC input power into surge output power {H03K3/53}) ## Abstract An oil module may include a conveying device for conveying oil along a flow path, a heat exchanger for temperature-controlling the oil, and a main body having a front side and a back side. The front side may include (i) an inlet opening and (ii) an outlet opening. The back side may include (i) at least one pump opening fluidically connected with the inlet opening, (ii) a first cooler opening fluidically connected with the at least one pump opening, and (iii) a second cooler opening fluidically connected with the outlet opening. The conveying device may be arranged on the back side and fluidically connected with the at least one pump opening. The heat exchanger may be arranged on the back side and fluidically connected with the first cooler opening and the second cooler opening. ## Claims ### Claim 1 An oil module, comprising: a conveyor which during operation conveys oil along a flow path; a heat exchanger for temperature-controlling the oil, the flow path extending through the heat exchanger; a main body having a front side and a back side facing away from the front side; the front side including (i) an inlet opening for letting oil into the main body and (ii) an outlet opening for letting oil out of the main body; the back side including at least one pump opening fluidically connected with the inlet opening; the back side further including, disposed spaced apart from the at least one pump opening, a first cooler opening and a second cooler opening; the first cooler opening fluidically connected with the at least one pump opening; the second cooler opening fluidically connected with the outlet opening; wherein the conveyor is arranged on the back side and fluidically connected with the main body via the at least one pump opening such that the flow path extends between the inlet opening and the conveyor and between the conveyor and the first cooler opening; and wherein the heat exchanger is arranged on the back side and fluidically connected with the first cooler opening and the second cooler opening such that the flow path extends through the heat exchanger between the first cooler opening and the second cooler opening and between the second cooler opening and the outlet opening. ### Claim 2 (depends on 1) The oil module according to claim 1, wherein: the main body further includes at least one component opening that is disposed spaced apart from the front side and separate from the at least one pump opening, the first cooler opening, and the second cooler opening, the at least one component opening, in the main body, fluidically connected with at least one of (i) the first cooler opening, (ii) the second cooler opening, and the at least one pump opening; and an additional component that is separate from the conveyor and from the heat exchanger is fluidically connected with the at least one component opening and disposed spaced apart from the front side. ### Claim 3 (depends on 2) The oil module according to claim 2, wherein: the main body has a plurality of outer sides connecting the front side with the back side; and the at least one component opening is disposed in one of the plurality of outer sides. ### Claim 4 (depends on 2) The oil module according to claim 2, wherein the at least one additional component is a sensor configured to determine a state variable of the oil. ### Claim 5 (depends on 1) The oil module according to claim 1, wherein the conveyor is arranged along the flow path upstream of the heat exchanger. ### Claim 6 (depends on 1) The oil module according to claim 1, wherein the main body further includes a base plate, which includes the first cooler opening and the second cooler opening. ### Claim 7 (depends on 6) The oil module according to claim 6, wherein: the main body further includes an ancillary plate, which includes the inlet opening and the at least one pump opening; and the ancillary plate is arranged offset relative to the base plate in a distance direction of the back side to the front side towards the front side such that a front side and a back side of the ancillary plate are arranged offset towards a front side and a back side of the base plate. ### Claim 8 (depends on 7) The oil module according to claim 7, wherein: the main body further includes an arm projecting from the base plate transversely to the distance direction; and the outlet opening is at least partially formed on the arm. ### Claim 9 (depends on 1) A main body for the oil module according to claim 1. ### Claim 10 (depends on 1) The oil module according to claim 1, wherein: the at least one pump opening includes a plurality of pump openings; and the plurality of pump openings includes (i) a first pump opening via which the oil is flowable into the conveyor from the main body and (ii) a second pump opening via which oil is flowable into the main body from the conveyor. ### Claim 11 (depends on 10) The oil module according to claim 10, wherein: the first pump opening is fluidically connected with the inlet opening; and the second pump opening is fluidically connected with the first cooler opening. ### Claim 12 (depends on 11) The oil module according to claim 11, wherein: the first pump opening is fluidically connected with the inlet opening via a pump channel extending through the main body; and the second pump opening is fluidically connected with the first cooler opening via a cooler channel extending from the second pump opening to the first cooler opening. ### Claim 13 (depends on 1) The oil module according to claim 1, wherein the second cooler opening and the outlet opening are fluidically connected via an outlet channel extending between the second cooler opening and the outlet opening. ### Claim 14 (depends on 1) The oil module according to claim 1, wherein the first cooler opening and the second cooler opening are fluidically connected to one another exclusively via the heat exchanger. ### Claim 15 (depends on 1) The oil module according to claim 1, wherein: the main body further includes a base plate having a base plate front side and a base plate back side, the base plate front side at least partially defining the front side of the main body, the base plate back side at least partially defining the back side of the main body; the main body further includes an ancillary plate having an ancillary plate front side and an ancillary plate back side, the ancillary plate front side at least partially defining the front side of the main body, the ancillary plate back side at least partially defining the back side of the main body; and the base plate and the ancillary plate are connected to one another in a step-like manner such that the base plate and the ancillary plate are disposed offset from one another. ### Claim 16 A system, comprising: a motor including a gear; and an oil module attached to the motor, the oil module including: a conveyor which during operation conveys oil along a flow path; a heat exchanger for temperature-controlling the oil, the flow path extending through the heat exchanger; a main body having a front side and a back side facing away from the front side; the front side including (i) an inlet opening for letting oil into the main body and (ii) an outlet opening for letting oil out of the main body; the back side including a plurality of pump openings, the plurality of pump openings including (i) a first pump opening via which the oil is flowable into the conveyor from the main body and (ii) a second pump opening via which oil is flowable into the main body from the conveyor; the back side further including, disposed spaced apart from the plurality of pump openings, a first cooler opening and a second cooler opening; the first cooler opening fluidically connected with the second pump opening; the second cooler opening fluidically connected with the outlet opening; wherein the conveyor is arranged on the back side and fluidically connected with the plurality of pump openings such that the flow path extends between the inlet opening and the conveyor and between the conveyor and the first cooler opening; wherein the heat exchanger is arranged on the back side and fluidically connected with the first cooler opening and the second cooler opening such that the flow path extends through the heat exchanger between the first cooler opening and the second cooler opening and between the second cooler opening and the outlet opening; wherein the front side faces the motor; wherein the motor further includes an oil inlet for letting the oil into the motor and an oil outlet for letting the oil out of the motor, the oil inlet and the oil outlet facing the front side; and wherein the oil outlet is fluidically connected with the inlet opening and the oil inlet is fluidically connected with the outlet opening such that the flow path extends through the motor. ### Claim 17 (depends on 16) The system according to claim 16, wherein the motor is an electric motor. ### Claim 18 (depends on 16) The system according to claim 16, wherein: the main body further includes a base plate having a base plate front side and a base plate back side, the base plate front side at least partially defining the front side of the main body, the base plate back side at least partially defining the back side of the main body; the main body further includes an ancillary plate having an ancillary plate front side and an ancillary plate back side, the ancillary plate front side at least partially defining the front side of the main body, the ancillary plate back side at least partially defining the back side of the main body; and the base plate and the ancillary plate are connected to one another in a step-like manner such that the base plate and the ancillary plate are disposed offset from one another. ### Claim 19 An oil module, comprising: a conveyor configured to convey oil along a flow path; a heat exchanger configured to temperature-control the oil, the flow path extending through the heat exchanger; a main body having a front side surface and a back side surface facing away from the front side surface, the main body including: a base plate having a base plate front side surface and a base plate back side surface, the base plate front side surface at least partially defining the front side surface of the main body, the base plate back side surface at least partially defining the back side surface of the main body; an ancillary plate having an ancillary plate front side surface and an ancillary plate back side surface, the ancillary plate front side surface at least partially defining the front side surface of the main body, the ancillary plate back side surface at least partially defining the back side surface of the main body; an inlet opening disposed in the ancillary plate front side surface via which the oil is flowable into the main body; an outlet opening disposed in the front side surface of the main body via which the oil is flowable out of the main body; at least one pump opening disposed in the ancillary plate back side surface, the at least one pump opening fluidically connected with the inlet opening; a first cooler opening disposed in the base plate back side surface, the first cooler opening fluidically connected with the at least one pump opening; and a second cooler opening disposed in the base plate back side surface, the second cooler opening fluidically connected with the outlet opening; wherein the conveyor is arranged on the back side surface of the main body and fluidically connected with the at least one pump opening such that the flow path extends between the inlet opening and the conveyor and between the conveyor and the first cooler opening; and wherein the heat exchanger is arranged on the back side surface of the main body and fluidically connected with the first cooler opening and the second cooler opening such that the flow path extends through the heat exchanger between the first cooler opening and the second cooler opening and between the second cooler opening and the outlet opening. ### Claim 20 (depends on 19) The oil module according to claim 19, wherein the base plate and the ancillary plate are connected to one another in a step-like manner such that the base plate and the ancillary plate are disposed offset from one another in a direction extending transversely to the front side surface and the back side surface of the main body.